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- Methods HPRT gene mutation frequency (Mf) was examined by the technique of multinuclear cell assay. 方法应用多核细胞法检测外周血淋巴细胞HPRT基因突变率。
- CONCLUSIONS: We confirmed previous findings of pronounced differences in mutation frequency between different histopathological subtypes. 结论：我们证实了原先发现的结论，即不同组织病理学亚型之间突变频率存在显著的差异。
- Under the suitable dosage scope, the bigger dosage (350Gy) had the higher mutation frequency than that of the smaller (250Gy) one, and there existed difference among varieties. 在适宜的剂量范围内，大剂量(350Gy)的诱变频率高于小剂量(250Gy)，且品种间有差异。
- Relative survival(RS%),relative suspension growth(RSG%),mutation frequency at tk locus and percentages of slow growth mutant(SC%) were detected and loss of heterozygosity(LOH) of mutants were analyzed. 检测细胞相对存活率(RS%25)、相对悬浮增长率(RTG%25)、tk位点突变频率(M F)和缓慢生长集落的百分比(SC%25),同时对突变集落tk位点杂合性丢失(LOH)进行分析。
- The test showed that COFC could induce HPRT locus mutation in human bronchial epithelial and there was a linear relationship between the concentration of COFC and the mutation frequency(MF) of HPRT gene. 烹调油烟冷凝物诱发人支气管上皮细胞HPRT基因位点突变,且突变频率随着染毒浓度的增加而升高,突变频率与烹调油烟冷凝物浓度之间存在一定的剂量-效应关系,二甲基亚砜对HPRT基因位点突变有显著的拮抗作用。
- The gene mutation frequency of serum mannose combin-ing agglutinator gene exon I at 52 site condon has a little difference among different nationalities? and the mutation degreee is higher in the Han peo-ple than in Hui people. 血清甘露糖结合凝集素外显子I52位密码子的点突变频率在不同的民族略有差异,汉族突变度显著高于回族。
- Results The clony efficiencies of rat peripheral blood lymphocytes and spleen lymphocytes both declined with the increase of accumulative dose,while the HPRT gene mutation frequency rose. 结果外周血淋巴细胞和脾淋巴细胞的克隆效率均随内照射剂量的增加而降低,HPRT基因突变频率均随放射性核素内照射剂量的增加而增加。相同条件下,脾淋巴细胞HPRT基因突变比外周血淋巴细胞敏感。
- MSH6 germline mutation frequencies in male and female colorectal cancer were 4.49% and 7.00%, respectively. 男性、女性大肠癌患者MsH6种系突变频率4.;49%25、7
- Objective To explore germline mutation frequencies and features of mismatch repaired gene MSH6 in persons with different kinds of colorectal cancer. 摘要目的了解错配修复基因MSH6在不同形式大肠癌人群中的种系突变频率及特征，提供真正的突变热点。
- We have found that HCV infection induces DNA breaks and enhances DNA mutation frequencies, thus explaining the mechanism of oncogenesis of this RNA virus. 目前已发现这个病毒会改变细胞基因修补的功能，因而引起染色体的断裂及细胞基因的变化。
- Objective To study the HPRT gene loci mutation frequencies and the factor of influence in peripheral blood lymphocytes in nasopharyngeal carcinoma (NPC) patients. 目的研究鼻咽癌患者外周血淋巴细胞HPRT基因突变率及其影响因素。
- estimation of mutation frequency 突变频率估计
- Our teacher has mutation of sounds suddenly. 我们的老师突然语音发生了变化。
- He varied the transmission frequency. 他变换了无线电传送的频率。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- Fatal accidents have decreased in frequency over recent years. 近年来死亡事故发生的频率已经下降。
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- Accidents on that highway are happening with increasing frequency. 那条高速公路上车祸发生得越来越频繁。
- Formation or development of a mutation. 变异的形成或者发展
- To undergo or cause to undergo mutation. 经历变化或使经历变化
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
